WBJEE · Chemistry · Solutions
At a certain temperature, the value of the slope of the plot of osmotic pressure \((\pi)\) against concentration \(\left(C\right.\) in \(\mathrm{mol} \mathrm{L}^{-1}\) ) of a certain polymer solution is \(291 \mathrm{R.}\) The temperature at which osmotic pressure is measured, is \((R\) is gas constant)
- A \(271 ^\circ \mathrm{C}\)
- B \(18 ^\circ \mathrm{C}\)
- C \(564 \mathrm{k}\)
- D \(18 \mathrm{K}\)
Answer & Solution
Correct Answer
(B) \(18 ^\circ \mathrm{C}\)
Step-by-step Solution
Detailed explanation
\[ \begin{array}{l} \text { Slope. } R T=291 R \text { or } T=291 \mathrm{K} \\ \therefore \text { Temperature }=291-273=18^{\circ} \mathrm{C} \end{array} \]
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